{"id":"RLSA-2026:81522","summary":"Important: pcre2 security update","details":"The pcre2 package contains a new generation of the Perl Compatible Regular Expression libraries for implementing regular expression pattern matching using the same syntax and semantics as Perl. \n\nSecurity Fix(es):\n\n* pcre2: PCRE2: Out-of-bounds write allows arbitrary code execution via crafted regular expressions (CVE-2026-86145)\n\n* PCRE2: PCRE2: Out-of-bounds read via invalid UTF data during JIT fallback (CVE-2026-89156)\n\n* pcre2: PCRE2: Out-of-bounds write via large pattern input (CVE-2026-89157)\n\n* pcre2: PCRE2: Denial of Service via out-of-bounds read during invalid UTF matching (CVE-2026-89160)\n\n* PCRE2: PCRE2: Out-of-bounds write via integer overflow on 32-bit platforms (CVE-2026-89158)\n\n* pcre2: PCRE2: Memory corruption vulnerability in pcre2_jit_match (CVE-2026-89161)\n\n* pcre2: pcre2: Out-of-bounds write via crafted regular expression (CVE-2026-103111)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","modified":"2026-10-14T12:30:02.658837055Z","published":"2026-10-14T12:08:56.685590Z","upstream":["CVE-2026-103111","CVE-2026-86145","CVE-2026-89156","CVE-2026-89157","CVE-2026-89158","CVE-2026-89160","CVE-2026-89161"],"database_specific":{"source_advisory":"RHSA-2026:81522","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/"},"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:81522"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2528993"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2531743"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2531744"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2531745"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2531746"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2531747"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2543797"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:81522"}],"affected":[{"package":{"name":"pcre2","ecosystem":"Rocky Linux:10","purl":"pkg:rpm/rocky-linux/pcre2?distro=rocky-linux-10&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:10.44-1.5.el10_2"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:81522.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}